ASTM A572 wani ƙarfe ne mai ƙarfi mai ƙarancin ƙarfi (HSLA) tare da abun ciki na gami na columbium da vanadium, wanda ke ƙarfafa ƙarfe kuma yana ba da ƙarfin ma'aunin ƙima fiye da ASTM A36. A572 HSLA tashar karfe ya dace don aikace-aikacen inda ake buƙatar ƙarfin ƙarfi don shi yana rage kauri da nauyi.
A572 karfe tashar - UPN girma
ASTM A572 sassan karfe suna da maki uku - Grade 42, 50 da 55. Kuna iya samun takamaiman abun ciki na sinadarai & kaddarorin injina a cikin allunan da ke ƙasa.
Bayanin samfur:
| Abu | Daraja | Carbon, max, % | Manganese, max, % | Silicon, max, % | Phosphorus, max, % | Sulfur, max, % |
| A572 karfe kwana | 42 | 0.21 | 1.35 | 0.40 | 0.04 | 0.05 |
| 50 | 0.23 | 1.35 | 0.40 | 0.04 | 0.05 | |
| 55 | 0.25 | 1.35 | 0.40 | 0.04 | 0.05 |
| Abu | Daraja | Matsayin Haɓaka, min, ksi [MPa] | Ƙarfin ɗamara, min, ksi [MPa] |
| A572 karfe kwana | 42 | 42 290] | 60 [415] |
| 50 | 50 [345] | 65 [450] | |
| 55 | 55 [380] | 70 [485] |
| Abu | Zurfin (mm) | Faɗin Flange (mm) | Kaurin yanar gizo (mm) | Kaurin Flange (mm) | Nauyi (kg/m) |
| Farashin UPN80 | 80 | 45 | 6 | 8 | 8.64 |
| Farashin UPN100 | 100 | 50 | 6 | 8.5 | 10.6 |
| Farashin UPN120 | 120 | 55 | 7 | 9 | 13.4 |
| Farashin UPN140 | 140 | 60 | 7 | 10 | 16 |
| Farashin UPN160 | 160 | 65 | 7.5 | 10.5 | 18.8 |
| Farashin UPN180 | 180 | 70 | 8 | 11 | 22 |
| Farashin UPN200 | 200 | 75 | 8.5 | 11.5 | 25.3 |
| Abu | Zurfin (mm) | Faɗin Flange (mm) | Kaurin yanar gizo (mm) | Kaurin Flange (mm) | Nauyi (kg/m) |
| UPE80 | 80 | 40 | 4.5 | 7.4 | 7.05 |
| UPE100 | 100 | 46 | 4.5 | 7.6 | 8.59 |
| UPE120 | 120 | 52 | 4.8 | 7.8 | 10.4 |
| Farashin 140 | 140 | 58 | 4.9 | 8.1 | 12.3 |
| Farashin 160 | 160 | 64 | 5 | 8.4 | 14.2 |
| Farashin 180 | 180 | 70 | 5.1 | 8.7 | 16.3 |
| UPE200 | 200 | 76 | 5.2 | 9 | 18.4 |
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